Install ConfigServer Outgoing Spam Monitor (osm) in cPanel Server

This article provides a guide for installing ConfigServer Outgoing Spam Monitor (osm) in cPanel server.

What is Outgoing Spam Monitor (osm)?

ConfigServer Outgoing Spam Monitor (osm) has been designed to use multiple methods to monitor outgoing email and SMTP connections for activity that could indicate a spammer is active on a server.

Requirements to Install ConfigServer Outgoing Spam Monitor in cPanel Server

The following prerequisites are required to install Outgoing Spam Monitor in cPanel Server:

How to Install ConfigServer Outgoing Spam Monitor (osm) in cPanel Server

Since osm is a premium software, it will require purchasing a license for your server's static IP address before it can be installed to your cPanel server. More information on licensing can be found on the official ConfigServer osm website.
Once your license has been activated, you can install osm.

To Install ConfigServer Outgoing Spam Monitor (osm) in cPanel Server, follow the steps:

  1. Login to the cPanel server as root user via SSH.
  2. To ensure PCAP is installed to use the Packet Inspection, run the following command on your terminal:
    yum install libpcap libpcap-devel -y
  3. Next, install osm using the commands below:
    cd /usr/src
    rm -f osm*
    tar -xzf osminstaller.tgz
    perl ipv4
    rm -fv osminstaller.*
  4. Now, login to WHM using your browser.
  5. To access the osm management interface, navigate to "WHM->Plugins->ConfigServer Outgoing Spam Monitor".
    Access Outgoing Spam Monitor via the WHM plugin interface to manage osm
  6. That's it! Outgoing Spam Monitor is now installed in cPanel/WHM server.

Using the built-in Documentation provided in the plugin interface, you can now proceed to configure the osm settings and rules to suit your requirements.

refer to Documentation in plugin interface for further configuration


  • spam prevention, spam protection, whm plugins, configserver, mail server administration
  • 1 Users Found This Useful
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